DC-DC Module Power Supply
01
FMB50W Series DC-DC Modular power supply Products
product description
1. Output voltage accuracy ±1%;
2. 4000V high isolation voltage;
3. -40~+60℃ working temperature;
4. Insulation resistance ≥100MΩ;
5. Typical efficiency ranges from 70% to 80%.
6. Short circuit protection, overheat protection;
Typical performance
● Single output mode
● Total output power 50W
● Output voltage 3.3~48V
● Small size, high power density
● Natural heat dissipation, wide temperature range
Input characteristic
| Input voltage range（DC） | 18~36V 36~72V |
| Remote control CNT | Levitate or connect high level on, ground or connect low level off |
Output characteristic
| Output voltage accuracy | Vout1 nominal output voltage ±1%/Vout2 nominal output voltage ±3% |
| Load effect | 10%~100%Ionom Change time △Voutnom≤±0.5% |
| Source effect | Vinmin~Vinmax Change time △ Voutnom≤±0.2% |
| Overcurrent protection | Output closed automatic recovery in the 120% to 160%Iout1nom range |
| Ripple noise | ≤1% Voutnom（max） |
| Conversion efficiency | See product selection table |
| Temperature coefficient | ≤±0.02%/℃ （Maximum value） |
| Voltage regulation | ±10%Vo₁ |
General characteristic
| Isolation voltage | Vin~Vout、Vin~Case、Vout~CaseAll three are ≥500VDC/min(1500DC can be achieved according to customer requirements) |
| No failure interval | ≥1×10⁶h |
| Switching frequency | Around 300kHz |
| Protection function | Input over voltage, under voltage protection, output short circuit, over current, over voltage protection |
| Operating temperature | −40~+55℃ |
| Storage temperature | −55~+85℃ |
| Relative humidity | 20RH~90RH |
| Cooling mode | Air cooling, radiator auxiliary cooling |
Selection list
|
Model number |
Input voltage range Vdc |
Output voltage/current （V）/（A） |
Maximum capacitive load（µF） |
Typical efficiency （%） |
|
FMB50-24S3V3 |
18~36 |
3.3/10.00 |
91 |
|
|
FMB50-24S05 |
18~36 |
5.05/10.00 |
91 |
|
|
FMB50-24S12 |
18~36 |
12/4.16 |
93 |
|
|
FMB50-24S15 |
18~36 |
15/3.33 |
93 |
|
|
FMB50-24S24 |
18~36 |
24/2.08 |
91 |
|
|
FMB50-48S3V3 |
36~72 |
3.3/10.00 |
91 |
|
|
FMB50-48S05 |
36~72 |
5.05/10.00 |
91 |
|
|
FMB50-48S12 |
36~72 |
12/4.16 |
93 |
|
|
FMB50-48S15 |
36~72 |
15/3.33 |
93 |
|
|
FMB50-48S24 |
36~72 |
24/2.08 |
92 |
Product diagram
Pin definition
|
definition |
1 |
2 |
3 |
4 |
5 |
6 |
|
Single channel |
+Vin |
GND |
CTRL |
TRIM |
0 |
+Vo |